Found in the 1989 Radio Electronics Experimenter special edition, this circuit was designed for assembly with SMD components. The printed circuit board was provided.
We found this circuit in a 1986 documentation. It causes 40 LEDs to flash sequentially. The big...
Found in a National Semiconductor manual from the 90's, this circuit uses components of the time,...
Simple timers can be designed using inverters or any other gate that can be connected as inverter. Figure...